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Cited by 461

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Lipoprotein(a), fibrin binding, and plasminogen activation.

Open access
Loscalzo, J, Weinfeld, M, Fless, G M, Scanu, A M·1990·Arteriosclerosis: An Official Journal of the American Heart Association, Inc.

Abstract

Lipoprotein(a) (Lp[a]) is a complex plasma lipoprotein in which apolipoprotein (apo) B-100 is covalently linked by a disulfide bridge to a unique apolipoprotein, apo(a). The cDNA of apo(a) has recently been isolated and sequenced, and a remarkable homology to human plasminogen has been noted. In this report, we demonstrate that, like plasminogen, Lp(a) binds to fibrin. In addition, Lp(a) competes with plasminogen and tissue-type plasminogen activator for fibrin binding. As a functional consequence of these binding properties, we show that Lp(a) attenuates the fibrin-dependent enhancement of tissue-type plasminogen activator activity against the native substrate, and does so as an uncompetitive inhibitor (Ki = 15 nM). Finally, we show that in a plasma milieu, Lp(a) attenuates clot lysis induced by tissue-type plasminogen activator. None of these effects was noted with low density lipoprotein free of apo(a). These data suggest that Lp(a) influences the fibrinolytic system and probably does so by virtue of the fibrin binding properties conferred by the kringle repeats of apo(a).

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Metadata

Authors
Loscalzo, J., Weinfeld, M., Fless, G. M., & Scanu, A. M.
Venue
Arteriosclerosis: An Official Journal of the American Heart Association, Inc.
Published
1990-03
Volume
10
Issue
2
Pages
240-245
ISSN
0276-5047 (ISSN-L)
OpenAlex
W2136145860
Cited by
461
References
1
FWCI
20.47
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Lipoprotein(a), fibrin binding, and plasminogen activation. https://app.cochat.ai/papers/10.1161/01.atv.10.2.240
The paper
Loscalzo, J., Weinfeld, M., Fless, G. M., & Scanu, A. M. (1990). Lipoprotein(a), fibrin binding, and plasminogen activation. Arteriosclerosis: An Official Journal of the American Heart Association, Inc. https://doi.org/10.1161/01.atv.10.2.240

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.